to express one’s sympathetic pleasure or joy to the person(s) it is felt for (verb)
Examples of word congratulate
We once again congratulate all of the candidates for their leadership and dedication to providing this country with a New Direction.
I think at least this panel should acknowledge that you heard the word congratulate about two minutes after somebody on this panel said she didn't use the word congratulate.
Sadat and I have been awarded the Nobel Peace Prize, let me from this rostrum again congratulate him - as I did in a direct conversation between Jerusalem and Cairo a few weeks ago on the morrow of the announcement.
In conclusion let me again congratulate you on the wonderful work you have done over there, and to say how happy I am to have had the privilege of addressing you.
I once again congratulate you, my dear, on this triumph of tenderness: you see love, like virtue, is not only its own reward, but sometimes intitles us to other rewards too.